Bottle opener



FIG. 1 is a left side view of a bottle opener;

FIG. 2 is a right side view thereof;

FIG. 3 is a first perspective view thereof; and,

FIG. 4 is a second perspective view thereof.

The broken lines showing a lighter and cross-head screw are included for the purpose of showing features that form no part of the claimed design. 

CLAIM The ornamental design for a bottle opener, as shown and described. 